Wednesday, 13 February 2013

2.30 understand that bile is produced by the liver and stored in the gall bladder, and understand the role of bile in neutralising stomach acid and emulsifying lipids

Bile is produce by the liver and stored in the gall bladder.
Enzymes in the small intestine work best in alkaline conditions but the food is acidic after being in the stomach. Bile is alkaline and so when it is released into the small intestine it enables the enzymes to work.
Bile also emulsifies fat; this gives it a larger surface area, which means that it is easier for lipases to work.

digestive enzymes are produced in the pancreas, bile stored in the gall bladder, bile production in liver
BBC
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8 comments:

  1. William1 June 2014 at 02:39

    Thank you for this awesome guide, it makes revising so fast and easy :)

    ReplyDelete
  2. Ramdas Warrier5 March 2015 at 04:43

    Dear Hannah,

    God evening.

    I am making a professional presentation in which I would like to use the above image. Would like to know the source and owner of above image so that I can obtain permission for usage. Your help is ppreciated.

    ramdas WARRIER

    ReplyDelete
    Replies
    1. Unknown24 March 2015 at 12:10

      You should pay more attention - underneath the picture it says "BBC".

      Delete
    2. Unknown8 November 2015 at 03:50

      Yeah but to be fair it doesn't mean much.. BBC have tons of diagrams called " BBC"

      Delete
    3. Unknown27 May 2016 at 14:22

      http://www.bbc.co.uk/schools/gcsebitesize/science/triple_ocr_gateway/the_living_body/digestion/revision/5/

      Delete
  3. Unknown27 May 2016 at 14:14

    is it alkaline or neutral conditions?
    because when an acid an d alkali combine together the neutralise each other.

    ReplyDelete
  4. Anna moulds16 May 2017 at 11:56

    sooooo useful

    ReplyDelete
  5. Mike Tsang26 June 2017 at 02:45

    The Biology Syllabus has changed.... New Syllabus Blog:

    http://igcse-biology-2017.blogspot.hk

    ReplyDelete

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